On Tue, Jul 12, 2022 at 8:43 PM Michael Niedermayer <mich...@niedermayer.cc> wrote:
> Fixes: out of array access > Fixes: > 48799/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LAGARITH_fuzzer-4764457825337344 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by > <https://github.com/google/oss-fuzz/tree/master/projects/ffmpegSigned-off-by>: > Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/lagarith.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/libavcodec/lagarith.c b/libavcodec/lagarith.c > index 3aeb1c8a99..00e8005222 100644 > --- a/libavcodec/lagarith.c > +++ b/libavcodec/lagarith.c > @@ -409,6 +409,9 @@ output_zeros: > if (zero_run) { > zero_run = 0; > i += esc_count; > + if (i > end - dst || > + i >= src_end - src) > + return AVERROR_INVALIDDATA; > memcpy(dst, src, i); > dst += i; > l->zeros_rem = lag_calc_zero_run(src[i]); > LGTM > -- > 2.17.1 > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
